package main

import (
	"fmt"
	"strings"
)

func main() {
	// fmt.Println("a" < "b") //

	//fmt.Println("ac" < "ab")

	//fmt.Println(strings.Compare("ab", "ab"))

	//fmt.Println(strings.Compare("a3", "a2")) //1

	fmt.Println(strings.Compare("a1", "b1")) //-1

}
